﻿#region Copyright (c) 2003 - 2008, Andreas Mueller
/////////////////////////////////////////////////////////////////////////////////////////
// 
// Copyright (c) 2003 - 2008, Andreas Mueller.
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// which accompanies this distribution, and is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// Contributors:
//    Andreas Mueller - initial API and implementation
//
// 
// This software is derived from software bearing the following
// restrictions:
// 
// Copyright (c) 1994
// Hewlett-Packard Company
// 
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  Hewlett-Packard Company makes no
// representations about the suitability of this software for any
// purpose.  It is provided "as is" without express or implied warranty.
// 
// 
// Copyright (c) 1996,1997
// Silicon Graphics Computer Systems, Inc.
// 
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appear in all copies and
// that both that copyright notice and this permission notice appear
// in supporting documentation.  Silicon Graphics makes no
// representations about the suitability of this software for any
// purpose.  It is provided "as is" without express or implied warranty.
// 
// 
// (C) Copyright Nicolai M. Josuttis 1999.
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
// 
/////////////////////////////////////////////////////////////////////////////////////////
#endregion


using NStl.Collections;
using NUnit.Framework;
using System.Collections;

namespace NStl.NUnit.AlgorithmFixtures.Transform
{
    [TestFixture]
    public class BinaryTransformFixture : AlgorithmBaseFixture
    {
        private Vector<int>   src1 ;
        private DList<int>    src2;
        private Vector<float> target;
        private readonly IBinaryFunction<int, int, float> int2Single =
            Functional.PtrFun<int, int, float>(delegate(int lhs, int rhs) { return lhs + rhs;});

        [SetUp]
        public void SetUp()
        {
            src1 = new Vector<int>(0, 1, 2, 3, 4, 5, 6, 7, 8, 9);
            src2 = new DList<int>(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14);
            target = new Vector<float>(55);            
        }
        [Test]
        public override void SuccessfullPass()
        {
            Vector<float>.Iterator endOfInsertion = 
                Algorithm.Transform(src1.Begin(), src1.End(), src2.Begin(),
                                    target.Begin(), int2Single);

            ICollection expected = new float[] {0f, 2f, 4f, 6f, 8f, 10f, 12f, 14f, 16f, 18f};
            ICollection actual = NStlUtil.Collection(target.Begin(), endOfInsertion);

            CollectionAssert.AreEqual(expected, actual);
        }

        public override void NonSuccessfullPass()
        {
            throw new System.Exception("The method or operation is not implemented.");
        }

        [Test]
        public override void StartIteratorIsEqualToEndIterator()
        {
            Vector<float>.Iterator endOfInsertion =
                Algorithm.Transform(src1.Begin(), src1.Begin(), src2.Begin(),
                                    target.Begin(), int2Single);

            ICollection expected = new float[] { };
            ICollection actual = NStlUtil.Collection(target.Begin(), endOfInsertion);

            CollectionAssert.AreEqual(expected, actual);
        }
    }
}
